Saint-Laurent-du-Maroni weather in March
In March, Saint-Laurent-du-Maroni sees average daytime highs of 29°C and overnight lows near 23°C, with 106 mm of rain across 17.4 wet days and about 12 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 9% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Saint-Laurent-du-Maroni's 6th-clearest and 2nd-windiest month. For the whole year in context, see Saint-Laurent-du-Maroni's year-round climate.
- Daytime high
- 29°
- 10th warmest
- Overnight low
- 23°
- 9th coldest
- Rainfall
- 106 mm
- 17.4 wet days
- Daylight
- 12 hours
- 6:47 AM – 6:45 PM
- Cloud cover
- 71%
- 6th clearest
- Wind
- 11 km/h
- 2nd windiest
- Solar energy
- 5.07 kWh/m²
- Travel score
- 4.4
- out of 10
Saint-Laurent-du-Maroni is commune in Guyane, France.
- Density
- 5/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 29°C through the month.
A typical March day in Saint-Laurent-du-Maroni reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, March runs on par with February and on par with April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 23 |
| 2 | 29 | 23 |
| 3 | 29 | 23 |
| 4 | 29 | 23 |
| 5 | 29 | 23 |
| 6 | 29 | 23 |
| 7 | 29 | 23 |
| 8 | 29 | 23 |
| 9 | 29 | 23 |
| 10 | 29 | 23 |
| 11 | 29 | 23 |
| 12 | 29 | 23 |
| 13 | 29 | 23 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 23 |
| 19 | 29 | 23 |
| 20 | 29 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 29 | 23 |
| 30 | 29 | 23 |
| 31 | 29 | 24 |
How March really feels in Saint-Laurent-du-Maroni
Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Saint-Laurent-du-Maroni weather by month
How March compares with the rest of the year at a glance. March is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 23° | 164 | 21.4 | 11.7 | 4.1 |
| Feb | 29° / 23° | 123 | 17 | 11.8 | 4.4 |
| Mar | 29° / 23° | 106 | 17.4 | 12 | 4.4 |
| Apr | 29° / 24° | 186 | 21.3 | 12.1 | 3.7 |
| May | 30° / 24° | 320 | 27.4 | 12.2 | 3.1 |
| Jun | 30° / 23° | 332 | 28.1 | 12.3 | 2.9 |
| Jul | 30° / 23° | 254 | 26.5 | 12.3 | 3.1 |
| Aug | 31° / 23° | 148 | 19.5 | 12.2 | 3.6 |
| Sep | 31° / 23° | 88 | 14.6 | 12 | 3.9 |
| Oct | 31° / 23° | 100 | 16.1 | 11.9 | 3.8 |
| Nov | 31° / 23° | 172 | 21.9 | 11.7 | 3.3 |
| Dec | 29° / 23° | 203 | 25.1 | 11.7 | 3.4 |
Cloud cover in March
The sky is clear or mostly clear about 9% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 23% of March, with mostly cloudy or overcast conditions the remaining 69%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 31 | 31 | 31 | 31 | 30 |
| Cloudier (%) | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 69 | 69 | 69 | 69 | 70 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 29 | 71 |
| 2 | 29 | 71 |
| 3 | 30 | 70 |
| 4 | 30 | 70 |
| 5 | 30 | 70 |
| 6 | 30 | 70 |
| 7 | 30 | 70 |
| 8 | 30 | 70 |
| 9 | 30 | 70 |
| 10 | 31 | 69 |
| 11 | 31 | 69 |
| 12 | 31 | 69 |
| 13 | 32 | 68 |
| 14 | 32 | 68 |
| 15 | 32 | 68 |
| 16 | 32 | 68 |
| 17 | 32 | 68 |
| 18 | 32 | 68 |
| 19 | 33 | 67 |
| 20 | 33 | 67 |
| 21 | 33 | 67 |
| 22 | 33 | 67 |
| 23 | 33 | 67 |
| 24 | 33 | 67 |
| 25 | 33 | 67 |
| 26 | 33 | 67 |
| 27 | 31 | 69 |
| 28 | 31 | 69 |
| 29 | 31 | 69 |
| 30 | 31 | 69 |
| 31 | 30 | 70 |
Chance of precipitation in March
Saint-Laurent-du-Maroni gets around 106 mm of rain over 17.4 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 57% and peaks near 62% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 58 | 58 | 57 | 56 | 56 | 55 | 54 | 54 | 54 | 53 | 53 | 54 | 54 | 55 | 55 | 56 | 56 | 57 | 57 | 58 | 58 | 58 | 59 | 59 | 60 | 60 | 61 | 61 | 61 | 62 | 62 |
| Rain chance (%) | |
|---|---|
| 1 | 58 |
| 2 | 58 |
| 3 | 57 |
| 4 | 56 |
| 5 | 56 |
| 6 | 55 |
| 7 | 54 |
| 8 | 54 |
| 9 | 54 |
| 10 | 53 |
| 11 | 53 |
| 12 | 54 |
| 13 | 54 |
| 14 | 55 |
| 15 | 55 |
| 16 | 56 |
| 17 | 56 |
| 18 | 57 |
| 19 | 57 |
| 20 | 58 |
| 21 | 58 |
| 22 | 58 |
| 23 | 59 |
| 24 | 59 |
| 25 | 60 |
| 26 | 60 |
| 27 | 61 |
| 28 | 61 |
| 29 | 61 |
| 30 | 62 |
| 31 | 62 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| Oppressive (%) | 93 | 94 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 93 | 93 | 92 | 92 | 91 | 90 | 90 | 89 | 89 | 88 | 87 |
| Miserable (%) | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 10 | 11 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 93 | 5 |
| 2 | 2 | 94 | 4 |
| 3 | 3 | 93 | 4 |
| 4 | 3 | 93 | 4 |
| 5 | 3 | 93 | 4 |
| 6 | 3 | 94 | 3 |
| 7 | 3 | 94 | 3 |
| 8 | 3 | 94 | 3 |
| 9 | 3 | 94 | 3 |
| 10 | 3 | 94 | 3 |
| 11 | 3 | 94 | 3 |
| 12 | 3 | 94 | 3 |
| 13 | 3 | 94 | 3 |
| 14 | 3 | 95 | 2 |
| 15 | 3 | 95 | 2 |
| 16 | 3 | 95 | 2 |
| 17 | 3 | 94 | 3 |
| 18 | 3 | 94 | 3 |
| 19 | 3 | 94 | 3 |
| 20 | 3 | 94 | 3 |
| 21 | 3 | 93 | 4 |
| 22 | 3 | 93 | 4 |
| 23 | 3 | 92 | 5 |
| 24 | 3 | 92 | 5 |
| 25 | 3 | 91 | 6 |
| 26 | 3 | 90 | 7 |
| 27 | 3 | 90 | 7 |
| 28 | 3 | 89 | 8 |
| 29 | 2 | 89 | 9 |
| 30 | 2 | 88 | 10 |
| 31 | 2 | 87 | 11 |
Wind in March
Winds average 11 km/h in March.
Across March, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 54 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over March. Sunrise moves from 6:53 AM to 6:40 AM, and sunset from 6:46 PM to 6:42 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:53 | 6:52 | 6:52 | 6:52 | 6:51 | 6:51 | 6:51 | 6:50 | 6:50 | 6:49 | 6:49 | 6:49 | 6:48 | 6:48 | 6:47 | 6:47 | 6:46 | 6:46 | 6:46 | 6:45 | 6:45 | 6:44 | 6:44 | 6:43 | 6:43 | 6:42 | 6:42 | 6:41 | 6:41 | 6:40 | 6:40 |
| Sunset (PM) | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:43 | 6:43 | 6:43 | 6:43 | 6:43 | 6:43 | 6:42 | 6:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:53 | 6:46 |
| 2 | 11.9 | 6:52 | 6:46 |
| 3 | 11.9 | 6:52 | 6:46 |
| 4 | 11.9 | 6:52 | 6:46 |
| 5 | 11.9 | 6:51 | 6:46 |
| 6 | 11.9 | 6:51 | 6:46 |
| 7 | 11.9 | 6:51 | 6:46 |
| 8 | 11.9 | 6:50 | 6:46 |
| 9 | 11.9 | 6:50 | 6:45 |
| 10 | 11.9 | 6:49 | 6:45 |
| 11 | 11.9 | 6:49 | 6:45 |
| 12 | 11.9 | 6:49 | 6:45 |
| 13 | 11.9 | 6:48 | 6:45 |
| 14 | 12.0 | 6:48 | 6:45 |
| 15 | 12.0 | 6:47 | 6:45 |
| 16 | 12.0 | 6:47 | 6:45 |
| 17 | 12.0 | 6:46 | 6:45 |
| 18 | 12.0 | 6:46 | 6:44 |
| 19 | 12.0 | 6:46 | 6:44 |
| 20 | 12.0 | 6:45 | 6:44 |
| 21 | 12.0 | 6:45 | 6:44 |
| 22 | 12.0 | 6:44 | 6:44 |
| 23 | 12.0 | 6:44 | 6:44 |
| 24 | 12.0 | 6:43 | 6:43 |
| 25 | 12.0 | 6:43 | 6:43 |
| 26 | 12.0 | 6:42 | 6:43 |
| 27 | 12.0 | 6:42 | 6:43 |
| 28 | 12.0 | 6:41 | 6:43 |
| 29 | 12.0 | 6:41 | 6:43 |
| 30 | 12.0 | 6:40 | 6:42 |
| 31 | 12.0 | 6:40 | 6:42 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.07 kWh/m².
For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.17 kWh/m² in September across the year — March's 5.07 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 5.0 | Bright |
| 11 | 5.0 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.0 | Bright |
| 15 | 5.0 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.1 | Bright |
| 20 | 5.1 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.1 | Bright |
| 31 | 5.1 | Bright |
Is March a good time to visit Saint-Laurent-du-Maroni?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit Saint-Laurent-du-Maroni for sightseeing.
What to pack for Saint-Laurent-du-Maroni in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Saint-Laurent-du-Maroni sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.
Sea temperature near Saint-Laurent-du-Maroni in March
The nearest coast averages about 27°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 43 km away) is warmest in August at about 28°C and coldest in January near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 27 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 27 | Warm |
UV index in Saint-Laurent-du-Maroni in March
Clear-sky midday UV in March peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint-Laurent-du-Maroni peaks around March 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 10 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 13 | 14 | 14 | 13 | 11 | 11 | 11 | 12 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Saint-Laurent-du-Maroni in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Saint-Laurent-du-Maroni is worst in February — around 24 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (August, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 22 | 24 | 24 | 24 | 19 | 12 | 8 | 7 | 10 | 14 | 12 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 24 | Moderate |
| Mar | 24 | Moderate |
| Apr | 24 | Moderate |
| May | 19 | Moderate |
| Jun | 12 | Good |
| Jul | 8 | Good |
| Aug | 7 | Good |
| Sep | 10 | Good |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 18 | Moderate |
Where is Saint-Laurent-du-Maroni?
Saint-Laurent-du-Maroni sits at 5.5°N, 54.0°W, 10 m above sea level, in French Guiana. The nearest listed city is Blauwgrond, 126 km away.
Topography around Saint-Laurent-du-Maroni
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Laurent-du-Maroni.
Within 3 km, the terrain around Saint-Laurent-du-Maroni has only modest variations in elevation — a maximum elevation change of 48 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, significant variations in elevation — a maximum elevation change of 574 m.
The land around Saint-Laurent-du-Maroni is covered by water (41%) and trees (34%) within 3 km, trees (86%) within 16 km, and trees (73%) and water (23%) within 80 km.
French Guiana travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E
- 220 V · 50 Hz
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saint-Laurent-du-Maroni (5.5015°, -54.0292°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).